Visit The Hall Of Trees in Yankton! Open Daily Nov 28 - Dec 31 Weekdays 10am-5pm (Fridays until 8pm) Weekends 1-5pm (Closed Dec 25) Kids and Members Free! Adults $10 | Seniors 65+ $8 MEAD 82 Mickelson Dr. Yankton, SD MUSEUM MeadBuilding.org/HallOfTrees Visit The Hall Of Trees in Yankton ! Open Daily Nov 28 - Dec 31 Weekdays 10 am-5pm ( Fridays until 8pm ) Weekends 1-5pm ( Closed Dec 25 ) Kids and Members Free ! Adults $ 10 | Seniors 65+ $ 8 MEAD 82 Mickelson Dr. Yankton , SD MUSEUM MeadBuilding.org/HallOfTrees